| 摘要 |
FIELD: brushware. ^ SUBSTANCE: dental brush has handle and head whose front side is provided with a number of bunches of bristles. The front side of the head has the rigid periphery part which overlaps the opening passing though the head. The rigid periphery part is provided with the grid made of flexible cross-pieces which form the grid whose central part is free from cross-pieces. The sites of crossing of the cross-pieces are provided with bristle bunches. ^ EFFECT: enhanced quality of brushing. ^ 8 cl, 6 dwg |
